Adapter



FIG. 1 is a top perspective view of an adapter;

FIG. 2 is a front view of FIG. 1;

FIG. 3 is a rear view of FIG. 1;

FIG. 4 is a left side view of FIG. 1;

FIG. 5 is a right side view of FIG. 1;

FIG. 6 is a top view of FIG. 1;

FIG. 7 is a bottom view of FIG. 1; and,

FIG. 8 is a bottom perspective view of FIG. 1.

The broken lines in the drawings illustrate portions of the adaptor that form no part of the claimed design. 

CLAIM The ornamental design for an adapter, as shown and described. 